Algebra
posted by Joss .
Can you please check my answers?
Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
x2/x+1 <0
my answer: (infinity,1) u (2, infinity)
x+8/x3 > or equal to 0
my answer: (3,8]
2/x2<1
my answer: (2,4)
102x/4x+5 < or equal to 0
my answer: (infinity, 5/4) or [5, infinity)

102x=3(x2)+4
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